Trois questions...

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Trois questions... Are there any influential essays on aesthetics which deal with modern rather than fine art? I have just read Kant's "Critique of aesthetic judgment" and Hume's "Of the standard of taste", which made me want to read more recent treatments of the debate. In your opinion, is aesthetics necessarily linked to visual art, or could the term equally be applied to music and literature? Finally, how far is aesthetic appreciation informed by intuition, and how much by logic (in the case of visual art - the golden mean, composition, etc)? Is there any consensus on this? Thank you.